UCI Under 23 Nations' Cup

The UCI Under 23 Nations' Cup is an annual, season-long competition for under-23 male road cyclists. It was created by the Union Cycliste Internationale in 2007 to aid in the development of young riders. It is the most important competition for under-23 riders.

Current
The following races are part of the 2022 edition of the Nations Cup:
 * Tour de l'Avenir
 * Orlen Nations Grand Prix
 * Ghent–Wevelgem U23
 * Course de la Paix-Grand Prix Jeseníky
 * World Under-23 Championships
 * European and Pan American continental championships

Former

 * Ronde Van Vlaanderen U23
 * Liège–Bastogne–Liège Espoirs
 * La Côte Picarde
 * Giro delle Regioni
 * ZLM Roompot Tour
 * Trofeo Almar
 * Étoile d'Or
 * Coupe des nations Ville Saguenay
 * Toscana-Terra di Ciclismo
 * Grand Prix Guillaume Tell
 * Tour de l'Espoir
 * Grand Prix du Portugal
 * Oceanian, African and Asian continental cycling championships